Prove by using PMI `1^3+2^3+3^3+...+n^3-=((n(n+1))/2)^2`
9 views · Published 11 October 2018 · 4:44 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Prove by using PMI `1^3+2^3+3^3+...+n^3-=((n(n+1))/2)^2`
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